Improper Verification of Source of a Communication Channel Affecting openvpn package, versions [2.6.0,2.6.16)[2.7-alpha1,2.7-rc2)
Threat Intelligence
The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
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Test your applications- Snyk IDSNYK-UNMANAGED-OPENVPN-14459403
- published17 Dec 2025
- disclosed3 Dec 2025
- creditJoshua Rogers
Introduced: 3 Dec 2025
CVE-2025-13086 (opens in a new tab)How to fix?
Upgrade openvpn to version 2.6.16, 2.7-rc2 or higher.
Overview
Affected versions of this package are vulnerable to Improper Verification of Source of a Communication Channel in the source IP address validation. An attacker can disrupt active client sessions by initiating a connection from a different IP address, causing service interruption for the original client.